FR2416794A1 - DENSE AND FLEXIBLE MATERIALS IN COMPOSITE SHEETS IMPREGNATED WITH POLYURETHANE ELASTOMERS - Google Patents
DENSE AND FLEXIBLE MATERIALS IN COMPOSITE SHEETS IMPREGNATED WITH POLYURETHANE ELASTOMERSInfo
- Publication number
- FR2416794A1 FR2416794A1 FR7830659A FR7830659A FR2416794A1 FR 2416794 A1 FR2416794 A1 FR 2416794A1 FR 7830659 A FR7830659 A FR 7830659A FR 7830659 A FR7830659 A FR 7830659A FR 2416794 A1 FR2416794 A1 FR 2416794A1
- Authority
- FR
- France
- Prior art keywords
- formula
- alkyl group
- molecular weight
- dense
- represent hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
- D06N3/148—(cyclo)aliphatic polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31562—Next to polyamide [nylon, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2369—Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
- Y10T442/2393—Coating or impregnation provides crease-resistance or wash and wear characteristics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
- Y10T442/2893—Coated or impregnated polyamide fiber fabric
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
- Polyurethanes Or Polyureas (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Matières en feuilles composites. Ces matières comprennent une feuille fibreuse imprégnée par un élastomère de polyuréthane, comprenant le produit réactionnel de A (a-1) un mélange de diols polymères contenant un polyétherglycol à poids moléculaire d'environ 800-4.000 et un polyesterglycol à poids moléculaire d'environ 800-4.000, (b-1) un diisocyanate organique de formule I (où R** 1 et R**2 représentent l'hydrogène ou un groupe alkyle) et (c-1) une diamine organique en tant que produit d'extension de chaînes, de formule II (où R**1 et R**2 représentent l'hydrogène ou un groupe alkyle) où B (a-2) un diol polymère à poids moléculaire d'environ 800-4.000, (b-2) un diisocyanate de formule I (où R**1 et R**2 représentent l'hydrogène ou un groupe alkyle à 1-5 atomes de carbone) et (c-2) un mélange de produits d'extension de chaînes comprenant une diamine organique de formule II (où R**1 et R**2 sont l'hydrogène ou un groupe alkyle ayant 1-5 atomes de carbone) et d'un dihydrazide d'acide phtalique de formule III :Composite sheet materials. These materials comprise a fibrous sheet impregnated with a polyurethane elastomer comprising the reaction product of A (a-1) a mixture of polymeric diols containing a polyether glycol of molecular weight of about 800-4,000 and a polyesterglycol of molecular weight of about 800-4,000, (b-1) an organic diisocyanate of formula I (where R ** 1 and R ** 2 represent hydrogen or an alkyl group) and (c-1) an organic diamine as a product of chain extension, of formula II (where R ** 1 and R ** 2 represent hydrogen or an alkyl group) where B (a-2) a polymeric diol with a molecular weight of about 800-4,000, (b- 2) a diisocyanate of formula I (where R ** 1 and R ** 2 represent hydrogen or an alkyl group with 1-5 carbon atoms) and (c-2) a mixture of chain extension products comprising an organic diamine of formula II (where R ** 1 and R ** 2 are hydrogen or an alkyl group having 1-5 carbon atoms) and a phthalic acid dihydrazide of formula III:
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53014047A JPS602429B2 (en) | 1978-02-13 | 1978-02-13 | Composite sheet material |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2416794A1 true FR2416794A1 (en) | 1979-09-07 |
FR2416794B1 FR2416794B1 (en) | 1981-09-11 |
Family
ID=11850174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7830659A Granted FR2416794A1 (en) | 1978-02-13 | 1978-10-27 | DENSE AND FLEXIBLE MATERIALS IN COMPOSITE SHEETS IMPREGNATED WITH POLYURETHANE ELASTOMERS |
Country Status (7)
Country | Link |
---|---|
US (1) | US4212916A (en) |
JP (1) | JPS602429B2 (en) |
CA (1) | CA1111726A (en) |
DE (1) | DE2905185A1 (en) |
FR (1) | FR2416794A1 (en) |
GB (1) | GB2014593B (en) |
IT (1) | IT1108794B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4412022A (en) * | 1981-05-19 | 1983-10-25 | Kuraray Co., Ltd. | Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide |
US4390679A (en) * | 1981-12-17 | 1983-06-28 | Ciba-Geigy Corporation | Latent urethane resin systems |
GB2141722A (en) * | 1983-06-20 | 1985-01-03 | Secretary Industry Brit | Urethane composites |
US4581433A (en) * | 1985-04-29 | 1986-04-08 | Mobay Corporation | Elastomer polyurethane-polyurea coatings based on bis(4-isocyanatocyclohexyl)methane |
JPH0420363Y2 (en) * | 1986-03-31 | 1992-05-11 | ||
US4975515A (en) * | 1987-10-21 | 1990-12-04 | Ethyl Corporation | Polyurethanes |
JPH021718A (en) * | 1988-02-01 | 1990-01-08 | Asahi Chem Ind Co Ltd | Urethane prepolymer and polyurethane coating composition |
IT216763Z2 (en) * | 1989-07-19 | 1991-10-03 | Alcantara Spa | COUPLED ITEM, INCLUDING A LAYER OF MICROFIBROUS NON-WOVEN MATERIAL, USEFUL IN THE FURNISHING AND COATING SECTOR. |
ES2277917T3 (en) * | 2000-05-29 | 2007-08-01 | Resin Systems Inc. | A COMPOSITE RESIN MATRIX OF TWO CHEMICALLY THERMOENDURECIBLE COMPONENTS FOR USE IN MATERIAL MANUFACTURING PROCEDURES. |
CN101545207B (en) * | 2009-04-01 | 2011-02-16 | 江南大学 | Anti-pilling finishing agent for pure cotton knitted fabrics and preparation method thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1486735A (en) * | 1965-07-14 | 1967-06-30 | Du Pont | Segmented polyurethanes |
GB1247634A (en) * | 1969-04-01 | 1971-09-29 | Du Pont | Microporous synthetic sheet materials and coating compositions used in the production thereof |
JPS4829559A (en) * | 1971-08-16 | 1973-04-19 | ||
JPS4831298A (en) * | 1971-08-27 | 1973-04-24 | ||
FR2183271A1 (en) * | 1972-05-04 | 1973-12-14 | Bayer Ag | |
FR2183274A1 (en) * | 1972-05-04 | 1973-12-14 | Bayer Ag | |
FR2204735A1 (en) * | 1972-10-25 | 1974-05-24 | Bayer Ag | |
US3899292A (en) * | 1972-03-23 | 1975-08-12 | Toray Industries | Process for crumpling synthetic suede |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3100721A (en) * | 1961-02-21 | 1963-08-13 | Du Pont | Process for producing microporous films and coatings |
DE1123467B (en) | 1960-08-12 | 1962-02-08 | Bayer Ag | Process for the production of highly elastic polymers which have urethane and semicarbazide groups and are deformable from the solution |
US3379683A (en) * | 1963-04-17 | 1968-04-23 | Du Pont | Polyurethanes prepared from m-xylylenediamine |
GB1110868A (en) | 1965-07-14 | 1968-04-24 | Du Pont | Elastic segmented polymers |
US3531368A (en) | 1966-01-07 | 1970-09-29 | Toray Industries | Synthetic filaments and the like |
GB1241382A (en) * | 1968-01-13 | 1971-08-04 | Toray Industries | Method for producing composite sheet substance composed of fibres and elastic materials |
GB1300268A (en) | 1970-06-04 | 1972-12-20 | Toray Industries | A pile sheet material and a process of manufacturing the same |
US3899623A (en) * | 1972-04-10 | 1975-08-12 | Toray Industries | Synthetic leather combination of needle-punched fabric and polyetherester polyurethane |
-
1978
- 1978-02-13 JP JP53014047A patent/JPS602429B2/en not_active Expired
- 1978-10-15 IT IT69603/78A patent/IT1108794B/en active
- 1978-10-27 FR FR7830659A patent/FR2416794A1/en active Granted
-
1979
- 1979-01-18 GB GB7901907A patent/GB2014593B/en not_active Expired
- 1979-01-19 US US06/004,680 patent/US4212916A/en not_active Expired - Lifetime
- 1979-02-10 DE DE19792905185 patent/DE2905185A1/en active Granted
- 1979-02-12 CA CA321,308A patent/CA1111726A/en not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1486735A (en) * | 1965-07-14 | 1967-06-30 | Du Pont | Segmented polyurethanes |
GB1247634A (en) * | 1969-04-01 | 1971-09-29 | Du Pont | Microporous synthetic sheet materials and coating compositions used in the production thereof |
JPS4829559A (en) * | 1971-08-16 | 1973-04-19 | ||
JPS4831298A (en) * | 1971-08-27 | 1973-04-24 | ||
US3899292A (en) * | 1972-03-23 | 1975-08-12 | Toray Industries | Process for crumpling synthetic suede |
FR2183271A1 (en) * | 1972-05-04 | 1973-12-14 | Bayer Ag | |
FR2183274A1 (en) * | 1972-05-04 | 1973-12-14 | Bayer Ag | |
FR2204735A1 (en) * | 1972-10-25 | 1974-05-24 | Bayer Ag |
Non-Patent Citations (3)
Title |
---|
CA1973 * |
CA1974 * |
NV1236/72 * |
Also Published As
Publication number | Publication date |
---|---|
FR2416794B1 (en) | 1981-09-11 |
IT1108794B (en) | 1985-12-09 |
US4212916A (en) | 1980-07-15 |
GB2014593B (en) | 1982-09-15 |
DE2905185C2 (en) | 1988-10-13 |
JPS54107504A (en) | 1979-08-23 |
CA1111726A (en) | 1981-11-03 |
JPS602429B2 (en) | 1985-01-21 |
IT7869603A0 (en) | 1978-10-15 |
GB2014593A (en) | 1979-08-30 |
DE2905185A1 (en) | 1979-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |